"Hi everyone, we wanted you all to know directly from us, that Shannon & I have decided to end our relationship as boyfriend & girlfriend...," they each posted in matching Twitter messages. "However, we love and care about each other very much and will reamin friends and in each others lives."

A few hours later, the the 35-year-old actress -- who began a relationship with the professional dancer during the hit show's sixth season -- thanked fans for their understanding.